What is Firecrawl?
Firecrawl is a web scraping and crawling API built by Mendable AI and released as open source under the AGPL license. It is designed specifically for AI workflows: instead of returning raw HTML, Firecrawl cleans and converts page content into LLM-ready Markdown or structured JSON.
The tool handles the hard parts of web scraping -- JavaScript-heavy SPAs, anti-bot measures, pagination, and nested link crawling -- so developers can focus on what to do with the data rather than how to extract it.
Firecrawl integrates natively with LangChain, LlamaIndex, CrewAI, and other AI frameworks. It is available as a hosted API or self-hosted via the open-source repo at mendableai/firecrawl on GitHub.
Key Features
Markdown and JSON Output
Every scraped page is returned as clean Markdown (stripped of nav, ads, and boilerplate) or structured JSON. Paste the output directly into a prompt or insert it into a vector database.
JavaScript Rendering
Firecrawl uses a headless browser under the hood, so it scrapes dynamic SPAs and JS-rendered pages that vanilla HTTP libraries miss entirely.
Structured Data Extraction
Define a JSON schema and Firecrawl uses an LLM to extract structured fields -- prices, names, dates, descriptions -- from any page without custom CSS selectors.
Batch Crawl
Crawl entire websites by following internal links up to a configurable depth and page limit. Firecrawl returns all discovered pages as a structured dataset.
SDK and Framework Integrations
Official Python and Node.js SDKs. Native integrations with LangChain, LlamaIndex, CrewAI, Dify, and more -- turn any URL into a document loader in two lines of code.
Open Source and Self-Hosted
The full stack is open source (AGPL). Self-host on your own infrastructure for unlimited scraping, custom scaling, or data privacy requirements.
How Firecrawl Works
-
1
Send a URL to the API
Call
/scrapefor a single page or/crawlto follow links across a site. -
2
Firecrawl renders and cleans the page
A headless browser loads the URL, executes JavaScript, and waits for the DOM to settle. Firecrawl then strips nav, footers, ads, and irrelevant markup.
-
3
Receive Markdown or structured JSON
The API returns clean Markdown by default. Pass a JSON schema to get structured extraction instead -- Firecrawl runs an LLM pass to populate the fields.
-
4
Feed into your AI pipeline
Pass the Markdown to an LLM prompt, chunk it for a vector store, or pipe it through a LangChain document loader -- the output is already formatted for downstream use.
Use Cases
- --RAG pipelines: Crawl documentation sites, internal wikis, or product pages and ingest them into a vector database for retrieval-augmented generation.
- --Competitive intelligence: Monitor competitor pricing pages, changelogs, or job listings and extract structured data on a schedule.
- --AI agent web browsing: Give an AI agent the ability to read any URL -- Firecrawl returns page content in a format the LLM can reason about.
- --Content migration: Bulk-export a website to Markdown for rewriting, translation, or CMS migration.
- --Training data collection: Harvest clean web text for fine-tuning or evaluation datasets without manual curation of raw HTML.
Pros and Cons
Pros
- +LLM-ready Markdown output -- no post-processing needed
- +JS rendering handles SPAs that other scrapers miss
- +Open source -- self-host for free at any scale
- +Native integrations with major AI frameworks
- +Schema-based extraction removes CSS selector brittleness
Cons
- -Free tier limited to 500 credits/month
- -AGPL license requires open-sourcing modifications
- -Headless rendering adds latency vs simple HTTP scrapers
- -Some aggressive anti-bot sites still block it
Pricing
| Plan | Price | Credits |
|---|---|---|
| Free | $0/month | 500 credits/month |
| Hobby | ~$16/month | 3,000 credits/month |
| Standard+ | Usage-based | Pay per credit above plan |
| Enterprise | Custom | Unlimited + self-hosted option |
One credit = one scraped page. Check firecrawl.dev/pricing for current rates.
Alternatives to Firecrawl
- --Apify: Large marketplace of ready-made scrapers; good for common platforms like LinkedIn, Amazon, and Instagram.
- --Playwright / Puppeteer: Low-level browser automation for teams that need full control over the scraping logic and interaction steps.
- --Jina AI Reader: Simple URL-to-Markdown API (prefix any URL with
r.jina.ai/); lightweight but lacks crawl and structured extraction. - --Bright Data: Enterprise-grade scraping infrastructure with residential proxies and pre-built datasets.
Tips for Getting the Most Out of Firecrawl
- 01.Use onlyMainContent: Set
onlyMainContent: trueto strip headers, footers, and sidebars -- reduces token usage by up to 60%. - 02.Set crawl limits: For large site crawls, configure a reasonable
limitandmaxDepthto avoid exhausting credits on irrelevant pages. - 03.Use schema-based extraction: The
/extractendpoint is more reliable than prompting an LLM to parse raw Markdown for specific fields. - 04.Self-host for high volume: The open-source repo includes a Docker Compose file for quick deployment with no per-credit costs.
- 05.Cache during development: Save scraped pages locally to avoid burning credits on the same URLs repeatedly while iterating.